When did momondo last update prices for flights from Indianapolis Airport to Islip Long Island Airport?

Prices for flights from Indianapolis Airport to Islip Long Island Airport refresh daily.

How many operators does momondo search for flights from Indianapolis Airport to Islip Long Island Airport?

As of January 2026, there is 1 operator available to choose from for flights from Indianapolis Airport to Islip Long Island Airport.

How old do you have to be to fly from Indianapolis Airport to Islip Long Island Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Indianapolis Airport to Islip Long Island Airport.

What documentation or ID do you need to fly to Islip Long Island Airport?

The necessary travel and health documents for your Islip Long Island Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$165 Cheap Flights from Indianapolis to Islip in 2026

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Find the cheapest flights from Indianapolis to New York

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:31 pm - 8:40 am

IND

ISP

37h 09m

2 stops

8:33 am - 5:25 pm

ISP

IND

8h 52m

1 stop

$341Frontier

lun., feb. 23 - vie., feb. 27

10:20 am - 4:25 pm

IND

ISP

6h 05m

1 stop

5:35 am - 12:50 pm

ISP

IND

7h 15m

1 stop

$377Southwest

lun., feb. 23 - vie., feb. 27

7:10 am - 4:25 pm

IND

ISP

9h 15m

2 stops

1:10 pm - 11:30 pm

ISP

IND

10h 20m

2 stops

$387Southwest

lun., feb. 23 - vie., feb. 27

1:15 pm - 5:15 pm

IND

ISP

4h 00m

1 stop

6:00 am - 12:10 pm

ISP

IND

6h 10m

1 stop

$447Southwest

lun., jun. 29 - dom., jul. 5

5:10 am - 2:30 pm

IND

ISP

9h 20m

2 stops

6:00 am - 12:10 pm

ISP

IND

6h 10m

1 stop

$452Southwest

lun., jun. 29 - dom., jul. 5

5:10 am - 2:30 pm

IND

ISP

9h 20m

2 stops

2:55 pm - 12:10 am

ISP

IND

9h 15m

2 stops

$534Southwest

lun., jun. 29 - dom., jul. 5

8:58 pm - 7:48 am

IND

ISP

10h 50m

1 stop

8:23 am - 5:25 pm

ISP

IND

9h 02m

1 stop

$868Frontier

sáb., feb. 21 - lun., feb. 23

11:06 am - 7:28 pm

IND

ISP

8h 22m

1 stop

8:33 am - 9:12 pm

ISP

IND

12h 39m

1 stop

$1,098Frontier

sáb., feb. 21 - dom., feb. 22

Southwest flights from Indianapolis to Islip, New York

Our best Southwest deals on Indianapolis to Islip, New York flight tickets

Southwest

Feb 23

IND10:20 amIndianapolis

6h 05m

1 stop

ISP4:25 pmIslip Long Island

Feb 27

ISP5:35 amIslip Long Island

7h 15m

1 stop

IND12:50 pmIndianapolis

$377

Southwest

Feb 23

IND7:10 amIndianapolis

9h 15m

2 stops

ISP4:25 pmIslip Long Island

Feb 27

ISP1:10 pmIslip Long Island

10h 20m

2 stops

IND11:30 pmIndianapolis

$387

Southwest

Jun 28

IND9:10 amIndianapolis

5h 45m

1 stop

ISP2:55 pmIslip Long Island

Jul 5

ISP6:00 amIslip Long Island

6h 10m

1 stop

IND12:10 pmIndianapolis

$447

Frontier flights from Indianapolis to Islip, New York

Our best Frontier deals on Indianapolis to Islip, New York flight tickets

Frontier

Feb 23

IND7:31 pmIndianapolis

37h 09m

2 stops

ISP8:40 amIslip Long Island

Feb 27

ISP8:33 amIslip Long Island

8h 52m

1 stop

IND5:25 pmIndianapolis

$341

Frontier

Feb 21

IND8:58 pmIndianapolis

10h 50m

1 stop

ISP7:48 amIslip Long Island

Feb 23

ISP8:23 amIslip Long Island

9h 02m

1 stop

IND5:25 pmIndianapolis

$868

Frontier

Feb 21

IND11:06 amIndianapolis

8h 22m

1 stop

ISP7:28 pmIslip Long Island

Feb 22

ISP8:33 amIslip Long Island

12h 39m

1 stop

IND9:12 pmIndianapolis

$1,098

momondo Fare Finder

Use the filters below to find and compare flights from Indianapolis to Islip, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IndianapolisIslip

IND - ISP

INDISP

Indianapolis

lun. 2/23

7:31 pm-8:40 am

2 stops37h 09m

Islip Long Island

vie. 2/27

8:33 am-5:25 pm

1 stop8h 52m

$341

IndianapolisIslip

IND - ISP

INDISP

Indianapolis

lun. 2/23

10:20 am-4:25 pm

1 stop6h 05m

Islip Long Island

vie. 2/27

5:35 am-12:50 pm

1 stop7h 15m

$377

IndianapolisIslip

IND - ISP

INDISP

Indianapolis

lun. 2/23

7:10 am-4:25 pm

2 stops9h 15m

Islip Long Island

vie. 2/27

1:10 pm-11:30 pm

2 stops10h 20m

$387

IndianapolisIslip

IND - ISP

INDISP

Indianapolis

lun. 6/29

1:15 pm-5:15 pm

1 stop4h 00m

Islip Long Island

dom. 7/5

6:00 am-12:10 pm

1 stop6h 10m

$447

IndianapolisIslip

IND - ISP

INDISP

Indianapolis

lun. 6/29

5:10 am-2:30 pm

2 stops9h 20m

Islip Long Island

dom. 7/5

6:00 am-12:10 pm

1 stop6h 10m

$452

IndianapolisIslip

IND - ISP

INDISP

Indianapolis

lun. 6/29

5:10 am-2:30 pm

2 stops9h 20m

Islip Long Island

dom. 7/5

2:55 pm-12:10 am

2 stops9h 15m

$534

IndianapolisIslip

IND - ISP

INDISP

Indianapolis

sáb. 2/21

8:58 pm-7:48 am

1 stop10h 50m

Islip Long Island

lun. 2/23

8:23 am-5:25 pm

1 stop9h 02m

$868

IndianapolisIslip

IND - ISP

INDISP

Indianapolis

sáb. 2/21

11:06 am-7:28 pm

1 stop8h 22m

Islip Long Island

dom. 2/22

8:33 am-9:12 pm

1 stop12h 39m

$1,098

IndianapolisIslip

IND - ISP

INDISP

Indianapolis

lun. 2/16

8:02 pm-11:10 am

2 stops39h 08m

$165

IndianapolisIslip

IND - ISP

INDISP

Indianapolis

lun. 2/16

5:45 am-10:02 am

1 stop28h 17m

$174

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from Indianapolis to Islip, New York

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Indianapolis to Islip Long Island?

Frontier is the most popular carrier operating from Indianapolis to Islip Long Island

What airlines fly to Islip, New York?

American Airlines, Delta and Spirit Airlines are the top three most popular airlines that fly to Islip, New York from Indianapolis according to our data. American Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 7 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

When to book flights from Indianapolis to Islip, New York

Are you open to changing your travel dates? Check out the ideal times to fly from Indianapolis to Islip, New York according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Indianapolis to Islip, New York (IND to ISP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Indianapolis to Islip, New York

Fastest flight time	4h 00m
Direct flights	None

The fastest flight from Indianapolis to Islip, New York takes 4h 00m

There are no direct flights from Indianapolis to Islip, New York. There are no popular flight routes from Indianapolis to Islip, New York.

Search flight deals

How far is Indianapolis to Islip Long Island by plane?
There are 684.9 mi between Indianapolis and Islip Long Island. By plane, this route typically takes 4h 00m.
When did momondo last update prices for flights from Indianapolis Airport to Islip Long Island Airport?
Prices for flights from Indianapolis Airport to Islip Long Island Airport refresh daily.
How many operators does momondo search for flights from Indianapolis Airport to Islip Long Island Airport?
As of January 2026, there is 1 operator available to choose from for flights from Indianapolis Airport to Islip Long Island Airport.
How old do you have to be to fly from Indianapolis Airport to Islip Long Island Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Indianapolis Airport to Islip Long Island Airport.
What documentation or ID do you need to fly to Islip Long Island Airport?
The necessary travel and health documents for your Islip Long Island Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Indianapolis to Islip, New York?
momondo data reveals that the most frequently booked airline on the route from Indianapolis to Islip, New York is Southwest, representing 100% of all bookings.

Best airlines flying from Indianapolis to Islip, New York

Compare and see reviews for airlines that fly from Indianapolis to Islip, New York with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $280	Free Cancellation	Rating 8.0 4,267 reviews		Search Southwest flights

Montauk

Riverhead

Sag Harbor

Southampton

Amagansett

Why use momondo?

Why should I use momondo to find a flight deal from Indianapolis to Islip?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Indianapolis to Islip. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Indianapolis to Islip with flexible booking policies on momondo?

All flight searches from Indianapolis to Islip on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Indianapolis to Islip?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Islip from Indianapolis.

I’m not ready to book a flight from Indianapolis to Islip right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Indianapolis to Islip now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Islip and let you know when they change.